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Question about YOGA C740 Processor Configuration

2020-02-11, 2:21 AM

I have a question regarding the processor.  I am very confused and have been told multiple things...such as "they're the same" and then I've been told "they're 2 different processors" Can someone please explain what the ACTUAL difference is between these two if any or if the ARE indeed the same thing?  Processor states: Intel(R) Core(TM) i7-10510U CPU @ 1.80GHz 2.30GHZ how is this the same or different from  Processor: 10th Gen Intel® Core™ i7-10510U (1.80GHz, up to 4.90GHz with Turbo Boost, 4 Cores, 8MB Cache). I would greatly appreciate any help you can give me.

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Re: Question about YOGA C740 Processor Configuration

2020-02-11, 2:55 AM

The Intel(R) Core(TM) i7-10510U is a 10th gen CPU with the specs shown on Intel's product page  below

 

Intel® Core™ i7-10510U Processor 8M Cache, up to 4.90 GHz

https://ark.intel.com/content/www/us/en/ark/products/196449/intel-core-i7-10510u-processor-8m-cache-up-to-4-90-ghz.html

 

The only reference I see to 2.30GHz is relating to the Configurable TDP-up Frequency, which is defined by Intel as follows

 

Configurable TDP-up Frequency is a processor operating mode where the processor behavior and performance is modified by raising TDP and the processor frequency to fixed points. The Configurable TDP-up Frequency is where the Configurable TDP-up is defined. Frequency is measured in gigahertz (GHz), or billion cycles per second.

 

Configurable TDP options mean the computer manufacturer can modify the TDP and Base Frequency of the CPU within the specific values posted on the product specification page https://ark.intel.com.     In essence that means that Lenovo may have chosen to increase the base frequency of the CPU from Intel's default base frequency of 1.80GHz up to 2.30GHz.

 

 

Cheers,    

 

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Re: Question about YOGA C740 Processor Configuration

2020-02-11, 3:12 AM
So in essence, are these the same processor? What it advertised as being in laptop is the latter but what it shows in the spec on the computer is the 1.8 ghz 2.30 ghz...I've been told what is actually in my laptop is slower than the turbo boost version.
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Re: Question about YOGA C740 Processor Configuration

2020-02-11, 3:53 AM

Lenvovo may have chosen to leave the base frequency at 1.80Mhz to reduce power consumption and heat when not needed, but when needed the processor should still employ turbo boost up to 4.90GHz for short periods, so I would not be too concerned about the specs.

 

In a desktop where battery live is not an issue and cooling is much better, upping the base frequency to 2.30GHz is not an issue as it would be in a laptop, and in most laptops they may actually have to throttle down below 1.80GHz (as low as 800MHz on that CPU)  if the temps rise to high when charging simply to prevent a forced thermal shutdown, or to extend battery life when not performing CPU intensive tasks. 

 

 

Cheers, 

 

         

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Re: Question about YOGA C740 Processor Configuration

2020-02-19, 2:33 AM

Thank you for your help. I just don't fully understand since I'm not an IT person.  I still am confused as to why it shows 1.80 Ghz 2.30 Ghz and not 1.80 Ghz 4.9 Ghz or why it doesn't mention turbo boost.  I've been told some of the same things you are saying but I am also being told that how this is labeled is not the same thing.  Is there any way to actually confirm what processor is in the laptop?  There must be a way otherwise computer manufacturerers wouldn't sell different processors and there has to be a way to confirm what is installed. At least I would think there should be a way

 

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Re: Question about YOGA C740 Processor Configuration

2020-02-19, 3:20 AM

I do not know what specific model you have, but on the Lenovo page for the Yoga C740 they state that the i7 models contain a 10th Gen Intel® Core™ i7-10510U (1.80GHz, up to 4.90GHz with Turbo Boost, 8MB Cache).

 

The same exact CPU could be configured via the BIOS on some systems to run at a base frequency of 2.30GHz, but Lenovo chooses to leave the base frequency at 1.80GHz (the default) on your laptop (no doubt to conserve power and reduce heat), but if needed it will still boost up to 4.90GHz for short periods of time. 

 

There is a free utility called HwInfo that will show you all you would ever want to know about your CPU and more, which you can download using the link below. 

 

HWiNFO

https://www.hwinfo.com/ 

 

 

Cheers,

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  • Message 7 of 7

Re: Question about YOGA C740 Processor Configuration

2020-02-20, 0:38 AM

Thank you! You have been a great help, much appreciated!!!

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